英文關鍵字
one
person
mid
adult
woman
female
asian
people
face
mask
protection
cell
flag
us
stars
and
stripes
star
spangled
banner
america
american
street
walking
urban
city
bike
transport
real
social
distancing
distance
coronavirus
coronaviridae
covid
19
covid19
dangerous
disease
spreading
virus
epidemic
health
illness
human
infection
outbreak
science
idea
concept
digital
pandemic
scare
global
contagious
contagion
hazard
care
medicine
animation
montage
digitally
generated